[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR461.63] [Page 533-534] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 461--BATTERY MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart F--Magnesium Subcategory Sec. 461.63 New source performance standards (NSPS). (a) The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below: (1) Subpart F--Silver Chloride Cathodes--Chemically Reduced--NSPS. [[Page 534]] ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver processed English units--pounds per 1,000,000 pounds of silver processed --------------- Lead........................................ 22.93 10.65 Silver...................................... 23.75 9.83 Iron........................................ 98.28 49.96 TSS......................................... 1,228.5 982.8 COD......................................... 4,095.0 1,999.0 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5-10.0 at all times. (2) Subpart F--Silver Chloride Cathodes--Electrolytic--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver processed English units--pounds per 1,000,000 pounds of silver processed -------------- Lead.......................................... 40.6 18.9 Silver........................................ 42.1 17.4 Iron.......................................... 174.0 88.5 TSS........................................... 2,175.0 1,740.0 COD........................................... 7,250.0 3,540.0 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5-10.0 at all times. (3) Subpart F--Cell Testing--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of cells produced English units--pounds per 1,000,000 pounds of cells produced -------------- Lead.......................................... 19.5 7.89 Silver........................................ 15.3 6.31 Iron.......................................... 63.1 32.1 TSS........................................... 789.0 631.2 COD........................................... 2,630.0 1,290.0 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5-10.0 at all times. (4) Subpart F--Floor and Equipment Wash--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of cells produced English units--pounds per 1,000,000 pounds of cells produced --------------- Lead........................................ 0.026 0.012 Silver...................................... 0.027 0.011 Iron........................................ 0.112 0.057 COD......................................... 4.70 2.30 TSS......................................... 1.41 1.13 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5-10.0 at all times. (5) Subpart F--Air Scrubber--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of cells produced English units--pounds per 1,000,000 pounds of cells produced -------------- TSS........................................... 8,467.0 4,030.0 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5-10.0 at all times. (b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above. [49 FR 9134, Mar. 9, 1984; 49 FR 13879, Apr. 9, 1984]